US Patent 10315592 Wire harness

A wire harness includes a power trunk line, a power branch line, a communication trunk line, and a communication branch line. The power trunk line is connected to a power source mounted on a vehicle and extend in a longitudinal direction of the vehicle. The power branch line branches off from the power trunk lines and extends in a direction intersecting with the longitudinal direction. The communication trunk line is arranged along the power trunk lines or also serves as the power trunk lines. The communication branch line branches off from the communication trunk line and extends in a direction intersecting with the longitudinal direction.